Seattle Professionals



Jack Bradley
Patent Agent
Jack supports the firm’s Solutions Group by performing patent analysis at all levels, from substantive claim review, to asset due diligence, to portfolio analysis.
Bob Carlson
Patent Attorney - Partner
Bob concentrates his practice on intellectual property strategy, counseling and litigation in federal trial and appellate courts nationwide.
Dan Crouse
Attorney - Partner
Dan focuses primarily in the area of IP strategy and client counseling. He works with clients on establishing IP strategies, policies and procedures, and assists in developing and managing their IP assets for optimal business return on investment. He is recognized by IAM as one of the world’s 300 leading IP strategists and by Best Lawyers as one of the top lawyers in America in the practice area of patent law.
Benjamin Keim
Patent Attorney
With an expertise in biotechnology, Benjamin advises clients on a wide variety of patent law issues including the drafting and prosecution of patent applications. He also counsels clients in the areas of computer software, business methods, and mechanical devices.
Damon Kruger
Patent Attorney - Partner
Damon advises clients on domestic and foreign patent strategies and assists his clients in acquiring valuable intellectual property. At Lee & Hayes, Damon leads a multi-office team of attorneys, agents, and staff to provide legal services to a number of different clients.
Chiu Hung "Luke" Luk
Patent Agent
Luke’s fluency in Mandarin and Cantonese, in both reading and writing, enables him to provide quality work to our diverse clients requiring multi-lingual IP services
Champagne Mac
Patent Attorney
Champagne Mac practices patent law and has worked extensively in matters involving software, games, and computer-related hardware patents.
Dillon Murphy
Patent Attorney
Dillon’s technical expertise includes electrical engineering (image sensors, graphical user interfaces, and software), printer and image processing technology, and pharmaceuticals (ANDA)
Thu Nguyen
Patent Agent
Thu Nguyen practice includes all areas of intellectual property law including patent preparation and prosecution, assisting in invalidity and infringement opinions, and assisting in counseling related to patentability and freedom to operate.
Rob Peck
Patent Attorney - Partner
Rob specializes in developing and managing intellectual property portfolios and counsels clients on strategies for building portfolios that protect and realize their business goals
Jeremy Sanders
Patent Attorney
Jeremy works with clients on a variety of intellectual property matters, including intellectual property portfolio development, management, and counseling
Brett Schlameus
Patent Attorney - Partner
Brett's expertise is in biotechnology and chemical related technology but also has experience in drafting and prosecuting patent applications relating to mechanical and electrical devices and various computer related technologies
Shaun Sluman
Patent Attorney
Shaun has a bachelor’s degree in Atmospheric Sciences from the University of Washington and his JD from Santa Clara University.
David Sun
David received law degrees from both China and the U.S. and has considerable experience in intellectual property counseling
Bradley Wagner
Patent Attorney
Brad assists clients by drafting and prosecuting patent applications across a wide variety of technologies including mechanical devices, software, digital imaging, electronics and business processes
Rachal C. Winger - Ph.D.
Patent Attorney - Partner
Rachal is well versed in working with clients on creating and commercializing their IP portfolios while performing competitive analyses and assessing competitor’s IP
Cristina Wittkopp - Ph.D.
Patent Agent
Cristina has a Ph.D. in Microbiology from the University of Washington and completed her Ph.D. research in 2016 at the Fred Hutchinson Cancer Research Center.
Edward Yang
Edward Yang works as an associate in Lee & Hayes’ Patent group in Seattle.
Elizabeth "Libby" Zinke
Patent Attorney
Libby prepares and prosecutes patent applications in a variety of areas including life sciences, fashion, computer related technologies and mechanical engineering